| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-0-9670451-0-8 | James M Knopf ยท Maureen McIntyre | Waterwise Landscaping with Trees, Shrubs, and Vines: A Xeriscape Guide for the Rocky Mountain Region, California, and the Desert Southwest |
| 2005 | 978-0-9670451-1-5 | Jim Knopf | WaterWise Landscaping with Trees, Shrubs, and Vines: A Xeriscape Guide for the Rocky Mountain Region, California, and Desert Southwest |